Commercial Security Deposits in Brazil: B2B Guarantee Limits

Unlike commercial real estate markets in the US or UK where B2B transactions are largely deregulated and billion-dollar landlords routinely demand a year's worth of rent upfront as a massive security buffer against a corporation defaulting, Brazil’s Tenancy Law rigidly applies residential protections to commercial entities.

Disclaimer: This guide provides general legal information for educational purposes only and does not constitute legal advice. High-value B2B deposits can involve complex assignments of Investment Fund quotas. Always consult specialized corporate real estate lawyers in Brazil. Information last verified: March 2026.

The Inflexible "3-Month" Corporate Cap

Regardless of whether the tenant is a small family-owned bakery or a massive multinational e-commerce company leasing a million-square-foot logistics hub, Article 38 of the Tenancy Law restricts cash security deposits (caução em dinheiro) to a maximum of three months’ rent.

A corporate landlord demanding 6 or 12 months' rent as a deposit risk severe civil penalties. Attempting to bypass this by breaking the lease into multiple contracts or hiding the exorbitant deposit as "advanced rent reserves" often ends in the lease clauses being nullified by state courts.

Only ONE Guarantee Permitted

The exact same prohibition against "Double Guarantees" (dupla garantia) seen in residential leases applies to B2B commercial logistics.

A corporate landlord cannot legally request a 3-month cash security deposit AND demand that the renting company’s CEO sign on as a personal guarantor (fiador solidário). You must pick a single avenue of security. Combining multiple guarantees in a corporate lease invalidates the excess security outright and exposes the landlord to misdemeanor charges.

The Mandatory Savings Account Requirement

Any corporate cash deposit collected (up to the 3-month limit) must not touch the landlord's operational cash flow. The money must be formally deposited into an official Brazilian savings account (caderneta de poupança).

When the commercial lease ends—whether it's after a 5-year office lease or a 15-year industrial stint—if the company returns the space undamaged, all the inflation correction and interest generated over those years in the savings account legally belongs to the tenant.

Corporate real estate funds that mistakenly absorb the interest generated from a multi-million Real deposit over a decade frequently face devastating lawsuits forcing them to reimburse the tenant the entirety of the interest plus punitive damages for bad-faith appropriation.

Preferred B2B Alternatives: Bank and Insurance Guarantees

Because 3 months' rent often does not even cover the cost of tearing down unauthorized structural alterations (like heavy machinery rigs or internal retail dividing walls) made by a commercial tenant, savvy Brazilian corporate landlords actively refuse cash deposits altogether.

Instead, they demand the tenant procure a Bank Guarantee Letter (Carta Fiança Bancária) or Rent Guarantee Insurance (Seguro Fiança Locatícia).

• Bank Guarantee: The tenant pays a substantial fee to a major bank (like Itaú or Bradesco). The bank signs the lease as the ultimate guarantor, promising to cover immense sums (often vastly higher than 3 months) if the tenant company goes bankrupt or defaults.
• This entirely bypasses the 3-month cap because it is technically an insurance policy/bank liability, not a cash deposit sitting in the landlord's hands.

Back to Brazil Landlord-Tenant Laws Overview.